Bluestore uses BlocksDB and WAL. When you look through the Ceph documentation make sure you're looking at the proper branch for the version you are using, most likely luminous. All ceph documentation URLs are versioned with Jewel, Hammer, master, etc. There have been a lot of discussions here on the mailing list about proper sizes and types of disks for these components.
_______________________________________________All;
I’m sorry if this question has been asked before.
I’m reading through Ceph’s documentation in preparation to build a cluster, and O keep coming across the recommendation to place journals on SSDs. Does BlueStore uses journals, or was this a nod to improving XFS and BTRFS performance?
Thank you,
Dominic L. Hilsbos, MBA
Director – Information Technology
300 S. Hamilton Pl.
Gilbert, AZ 85233
Phone: (480) 610-3500
Fax: (480) 610-3501
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